- born in 1955;
- studied Biology and Geography at the Justus-Liebig-University in Giessen, Germany;
- 1992-2001: Lecturer at the Institute of Biology Didactics, Justus-Liebig-University of Giessen;
- 2001-2012: Professor at the Technische Universität in Dortmund, Germany;
- since 2012: Professor at the University of Justus-Liebig-Giessen, Director of the Institute of Biology Didactics;
- since 1991: co-editor of the journal “MNU” (mathematics and science teaching);
- since 2008: member of the scientific board, “GWUP” (German Sceptics Association);
- since 2014: member of the editorial board of the journal “Biologie Lehren und Lernen – Zeitschrift für Didaktik der Biologie” (Biology Didactics);
- since 2015: member of the working group “Evolutionary Biology” of the German National Academy of Sciences Leopoldina;
- author/editor of several scientific and popular scientific books;
For publications see https://www.researchgate.net/profile/Dittmar_Graf